[coreboot-gerrit] Patch merged into coreboot/master: libpayload: x86/head - implement argc/argv handling

the following patch was just integrated into master:
commit d2f16cac749065e373b0558c850a8d9d2254c700
Author: Mathias Krause 
Date:   Sat Feb 11 22:47:04 2017 +0100

libpayload: x86/head - implement argc/argv handling

Implement the argc/argv passing as described in coreboot’s payload API:
    http://www.coreboot.org/Payload_API

While at it, give the code some love by not needlessly trashing register
    values.

Change-Id: Ib830f2c67b631b7216843203cefd55d9bb780d83
    Signed-off-by: Mathias Krause 
    Reviewed-on: https://review.coreboot.org/18336
    Reviewed-by: Aaron Durbin 
    Tested-by: build bot (Jenkins)

See https://review.coreboot.org/18336 for details.

-gerrit